Caston, G. F. The floor of the North Channel, Irish Sea : a side-scan sonar survey / G. F. Caston. - London: Her Majesty's Stationery Office, 1976. - iv, 16 p. : ill., maps ; 30 cm. - Institute of Geological Sciences : Natural Environment Research Council. 76/7 . Includes bibliographical references (p. 15-16). ISBN: 0118812475 Subjects--Topical Terms: Geology Subjects--Geographic Terms: British western seawaters Dewey Class. No.: 551.4613371633